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    • 6. 发明专利
    • gas turbine
    • 燃气轮机
    • JP2009197650A
    • 2009-09-03
    • JP2008038896
    • 2008-02-20
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NAKAMURA SOSUKEMATSUYAMA KEISUKEHIYAMA TAKASHISAKAMOTO YASUAKISAKATA KAORU
    • F01D9/02F23R3/42
    • F01D9/023F01D5/142F01D9/041F05D2210/30F05D2210/40F05D2220/3212
    • PROBLEM TO BE SOLVED: To restrict the fluctuation of the inner pressure of a combustor due to generation of edge tone, and to improve aerodynamic efficiency. SOLUTION: In a gas turbine which obtains rotary power by supplying combustion gas obtained by supplying fuel to compressed air, which is compressed by a compressor, and burning it by using a combustor to a turbine, a circumferential distance S from a front edge 32c of a turbine first stage stationary blade 32 to the center of a transition pipe 22 of the combustor adjacent in the circumferential direction, directing toward a rear end of the first stage stationary blade, is set in a range 0.05≤S/P≤0.15 relative to a circumferential pitch P of the first stage stationary blade 32, and an axial distance L between a front end of the first stage stationary blade and a rear end 222 of the transition pipe of the combustor is set in a range 0.00≤L/P≤0.13 relative to the circumferential pitch P of the first stage stationary blade. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了限制由于边缘色调的产生引起的燃烧器的内部压力的波动,并且提高空气动力学效率。 解决方案:在通过将由压缩机压缩的压缩空气供给燃料而获得的燃烧气体提供给燃烧器并通过使用燃烧器将其燃烧到涡轮机而获得旋转动力的燃气轮机中,从前方的周向距离S 涡轮机第一级固定叶片32的边缘32c设置在0.05≤S/P≤的范围内,朝向第一级固定叶片的后端的周向相邻的燃烧器的过渡管22的中心 0.15相对于第一级固定叶片32的圆周间距P,并且第一级固定叶片的前端与燃烧器的过渡管的后端222之间的轴向距离L设定在0.00≤L /P≤0.13相对于第一级固定叶片的圆周间距P. 版权所有(C)2009,JPO&INPIT